EP1049251A3 - Dispositif de contrôle - Google Patents

Dispositif de contrôle Download PDF

Info

Publication number
EP1049251A3
EP1049251A3 EP00302543A EP00302543A EP1049251A3 EP 1049251 A3 EP1049251 A3 EP 1049251A3 EP 00302543 A EP00302543 A EP 00302543A EP 00302543 A EP00302543 A EP 00302543A EP 1049251 A3 EP1049251 A3 EP 1049251A3
Authority
EP
European Patent Office
Prior art keywords
control device
amplification section
signal
inputs
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00302543A
Other languages
German (de)
English (en)
Other versions
EP1049251A2 (fr
Inventor
Noboru Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harada Industry Co Ltd
Original Assignee
Harada Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harada Industry Co Ltd filed Critical Harada Industry Co Ltd
Publication of EP1049251A2 publication Critical patent/EP1049251A2/fr
Publication of EP1049251A3 publication Critical patent/EP1049251A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15578—Relay station antennae loop interference reduction by gain adjustment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Radio Relay Systems (AREA)
EP00302543A 1999-03-31 2000-03-28 Dispositif de contrôle Withdrawn EP1049251A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11093961A JP2000286652A (ja) 1999-03-31 1999-03-31 制御装置
JP9396199 1999-03-31

Publications (2)

Publication Number Publication Date
EP1049251A2 EP1049251A2 (fr) 2000-11-02
EP1049251A3 true EP1049251A3 (fr) 2003-09-03

Family

ID=14097016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00302543A Withdrawn EP1049251A3 (fr) 1999-03-31 2000-03-28 Dispositif de contrôle

Country Status (4)

Country Link
US (1) US6671502B1 (fr)
EP (1) EP1049251A3 (fr)
JP (1) JP2000286652A (fr)
CN (1) CN1268808A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7142619B2 (en) * 2000-04-26 2006-11-28 Symmetricom, Inc. Long subscriber loops using automatic gain control mid-span extender unit
CA2323881A1 (fr) * 2000-10-18 2002-04-18 Dps Wireless Inc. Repeteur personnel adaptatif
DE60322541D1 (de) 2002-06-21 2008-09-11 Qualcomm Inc Zwischenverstärker für drahtlose lokale netzwerke
US8885688B2 (en) 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
AU2003274992A1 (en) 2002-10-11 2004-05-04 Widefi, Inc. Reducing loop effects in a wireless local area network repeater
US8078100B2 (en) 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
KR20050071571A (ko) 2002-10-15 2005-07-07 위데피, 인코포레이티드 네트워크 커버리지 확장을 위해 자동 이득 제어를 이용하는ｗｌａｎ 중계기
US7230935B2 (en) 2002-10-24 2007-06-12 Widefi, Inc. Physical layer repeater with selective use of higher layer functions based on network operating conditions
EP1568167A4 (fr) 2002-11-15 2010-06-16 Qualcomm Inc Repeteur de reseau local sans fil associe a une detection
AU2003300938A1 (en) 2002-12-16 2004-07-29 Widefi, Inc. Improved wireless network repeater
WO2004079922A2 (fr) * 2003-02-26 2004-09-16 Ems Technologies, Inc. Rehausseur de signal cellulaire
US7558528B2 (en) * 2003-07-31 2009-07-07 Microsoft Corporation Wireless local area network translating bi-directional packet repeater
US8027642B2 (en) 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
KR101291850B1 (ko) 2004-05-13 2013-07-31 퀄컴 인코포레이티드 업링크 및 다운링크 동기화를 위해 다운링크를 검출하는 비-주파수 변환 리피터
AU2005251169B2 (en) * 2004-05-26 2010-07-15 Zboost, Llc Wireless repeater for a duplex communication system implementing a protection based on oscillation detection
US7187904B2 (en) 2004-06-03 2007-03-06 Widefi, Inc. Frequency translating repeater with low cost high performance local oscillator architecture
US8059727B2 (en) 2005-01-28 2011-11-15 Qualcomm Incorporated Physical layer repeater configuration for increasing MIMO performance
CN101371462B (zh) * 2006-01-27 2013-09-25 高通股份有限公司 中继器开环增益测量
JP5199261B2 (ja) 2006-09-21 2013-05-15 クゥアルコム・インコーポレイテッド リピータの間の振動を緩和するための方法および装置
KR20090074812A (ko) 2006-10-26 2009-07-07 퀄컴 인코포레이티드 빔 형성기를 이용한 다중 입력 다중 출력을 위한 중계기 기술
WO2017031194A1 (fr) * 2015-08-18 2017-02-23 Wilson Electronics, Llc Amplificateur de signal de dispositif sans fil
US10862529B2 (en) * 2015-08-18 2020-12-08 Wilson Electronics, Llc Separate uplink and downlink antenna repeater architecture
US10673517B2 (en) 2016-11-15 2020-06-02 Wilson Electronics, Llc Desktop signal booster

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000467A (en) * 1975-10-24 1976-12-28 Bell Telephone Laboratories, Incorporated Automatic repeater stressing
US4124825A (en) * 1976-09-21 1978-11-07 The Post Office Signal level stabilizer
GB2258586A (en) * 1991-08-05 1993-02-10 Mercury Personal Communication Radio signal enhancer
US5485486A (en) * 1989-11-07 1996-01-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5608755A (en) * 1994-10-14 1997-03-04 Rakib; Selim Method and apparatus for implementing carrierless amplitude/phase encoding in a network
WO1998026503A1 (fr) * 1996-12-09 1998-06-18 Qualcomm Incorporated Amplificateur de puissance a etages paralleles efficace
US5802452A (en) * 1996-01-17 1998-09-01 Gte Government Systems Corporation Multiple channel radio frequency repeater
US5809398A (en) * 1994-05-11 1998-09-15 Allgon Ab Channel selective repeater
US5815795A (en) * 1995-08-25 1998-09-29 Sumitomo Electric Industries, Ltd. Oscillation detecting system for wireless repeater

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1545623A (en) * 1976-05-19 1979-05-10 Elap Transmission system and repeater stations therefor
US5678198A (en) * 1991-05-22 1997-10-14 Southwestern Bell Technology Resources, Inc. System for controlling signal level at both ends of a transmission link, based upon a detected value
JPH06260866A (ja) * 1993-03-04 1994-09-16 Mitsubishi Electric Corp 自動出力電力制御回路装置
JPH1022756A (ja) * 1996-07-04 1998-01-23 Mitsubishi Electric Corp 無線送信機およびその送信制御方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000467A (en) * 1975-10-24 1976-12-28 Bell Telephone Laboratories, Incorporated Automatic repeater stressing
US4124825A (en) * 1976-09-21 1978-11-07 The Post Office Signal level stabilizer
US5485486A (en) * 1989-11-07 1996-01-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
GB2258586A (en) * 1991-08-05 1993-02-10 Mercury Personal Communication Radio signal enhancer
US5809398A (en) * 1994-05-11 1998-09-15 Allgon Ab Channel selective repeater
US5608755A (en) * 1994-10-14 1997-03-04 Rakib; Selim Method and apparatus for implementing carrierless amplitude/phase encoding in a network
US5815795A (en) * 1995-08-25 1998-09-29 Sumitomo Electric Industries, Ltd. Oscillation detecting system for wireless repeater
US5802452A (en) * 1996-01-17 1998-09-01 Gte Government Systems Corporation Multiple channel radio frequency repeater
WO1998026503A1 (fr) * 1996-12-09 1998-06-18 Qualcomm Incorporated Amplificateur de puissance a etages paralleles efficace

Also Published As

Publication number Publication date
US6671502B1 (en) 2003-12-30
EP1049251A2 (fr) 2000-11-02
CN1268808A (zh) 2000-10-04
JP2000286652A (ja) 2000-10-13

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